![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to OF.fs CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Qemu by Fabrice Bellard] / qemu / roms / SLOF / board-js2x / slof|
Return to OF.fs CVS log | Up to [Qemu by Fabrice Bellard] / qemu / roms / SLOF / board-js2x / slof |
1.1 root 1: \ *****************************************************************************
2: \ * Copyright (c) 2004, 2008 IBM Corporation
3: \ * All rights reserved.
4: \ * This program and the accompanying materials
5: \ * are made available under the terms of the BSD License
6: \ * which accompanies this distribution, and is available at
7: \ * http://www.opensource.org/licenses/bsd-license.php
8: \ *
9: \ * Contributors:
10: \ * IBM Corporation - initial implementation
11: \ ****************************************************************************/
12:
13: \ The master file. Everything else is included into here.
14:
15: hex
16:
17: ' ll-cr to cr
18:
19: \ as early as possible we want to know if it is js20, js21 or bimini
20: \ u3 = js20; u4 = js21/bimini
21: \ the difference if bimini or js21 will be done later depending if
22: \ obsidian or citrine is found
23: \ f8000000 is probably the place of the u3/u4 version
24: f8000000 rl@ CONSTANT uni-n-version
25: uni-n-version 4 rshift dup 3 = CONSTANT u3? 4 = CONSTANT u4?
26: \ if (f4000682 >> 4) == 1... it is a bimini...
27: f4000682 rb@ 4 rshift 1 = CONSTANT bimini?
28:
29: \ to decide wether vga initialisation using bios emulation should be attempted,
30: \ we need to know wether a vga-device was found during pci-scan.
31: \ If it is found, this value will be set to the device's phandle
32: 0 value vga-device-node?
33:
34: \ planar-id reads back GPIO 29 30 31 and returns it as one value
35: \ if planar-id >= 5 it should be GA2 else it is GA1 (JS20 only)
36: defer planar-id ( -- planar-id )
37:
38: : (planar-id) ( -- planar-id)
39: \ default implementation of planar-id just returns 8
40: \ the highest possible planar id for JS20 is 7
41: 8
42: ;
43:
44: ' (planar-id) to planar-id
45:
46: #include "header.fs"
47:
48: \ I/O accesses.
49: #include "io.fs"
50:
51: \ XXX: Enable first UART on JS20, scripts forget to do this. Sigh.
52: 3 7 siocfg! 1 30 siocfg!
53:
54: #include "serial.fs"
55:
56: cr
57:
58: #include "base.fs"
59:
60: \ Little-endian accesses. Also known as `wrong-endian'.
61: #include <little-endian.fs>
62:
63: \ do not free-mem if address is not within the heap
64: \ workaround for NVIDIA card
65: : free-mem ( addr len -- )
66: over heap-start heap-end within IF
67: free-mem
68: ELSE
69: 2drop
70: THEN
71: ;
72:
73: : #join ( lo hi #bits -- x ) lshift or ;
74: : #split ( x #bits -- lo hi ) 2dup rshift dup >r swap lshift xor r> ;
75:
76: : blink ;
77:
78: : reset-dual-emit ;
79:
80: : console-clean-fifo ;
81:
82: : bootmsg-nvupdate ;
83:
84: : asm-cout 2drop drop ;
85:
86: #include "logging.fs"
87:
88: : log-string 2drop ;
89:
90: #include "bootmsg.fs"
91:
92: 000 cp
93:
94: \ disable the nvram logging until we know if we are
95: \ running from ram/takeover/js20 or in normal mode on js21
96: : (nvramlog-write-byte) drop ;
97: ' (nvramlog-write-byte) to nvramlog-write-byte
98:
99: #include "exception.fs"
100:
101: : mm-log-warning 2drop ;
102:
103: : write-mm-log ( data length type -- status )
104: 3drop 0
105: ;
106:
107: 080 cp
108:
109: #include "rtc.fs"
110:
111: 100 cp
112:
113: \ Input line editing.
114: #include "accept.fs"
115:
116: 120 cp
117:
118: #include "dump.fs"
119:
120: cistack ciregs >r1 ! \ kernel wants a stack :-)
121:
122: #include "romfs.fs"
123:
124: 140 cp
125: #include "flash.fs"
126:
127: \ 1 temp; 0 perm; let's default to temp
128: 1 VALUE flashside?
129:
130: \ claim the memory used by copy of the flash
131: flash-header IF
132: romfs-base dup flash-image-size 0 claim drop
133: THEN
134:
135: s" bootinfo" romfs-lookup drop c + l@ CONSTANT start-addr
136: start-addr flash-addr <> CONSTANT takeover?
137:
138: takeover? u3? or 0= IF
139: \ we want nvram logging to work
140: ['] .nvramlog-write-byte to nvramlog-write-byte
141: THEN
142:
143: 160 cp
144:
145: u4? IF f8002100 rl@ 0= ELSE false THEN ?INCLUDE u4-mem.fs
146: u3? IF
147: planar-id 5 >= IF
148: 40000 to nvram-size
149: ELSE
150: \ change nvram-size to 8000 for GA1 blades
151: 8000 to nvram-size
152: THEN
153: THEN
154:
155:
156: takeover? IF
157: \ potentially comming from phype
158: u4? IF
159: \ takeover on JS21 is using some nvram area
160: \ which might be available
161: \ on JS20 the nvram is too small and
162: \ we just overwrite the nvram
163: sec-nvram-base to nvram-base
164: THEN
165: sec-nvram-size to nvram-size
166: \ in takeover mode the nvram is probably not mapped
167: \ to the exact location where the nvram starts
168: \ doing a small check to see if we have a partition
169: \ starting with 70; this test is far from perfect but
170: \ takeover is not the most common mode of running slof
171: nvram-base rb@ 70 <> IF 0 nvram-base rb! THEN
172: THEN
173:
174: 200 cp
175:
176: #include <slof-logo.fs>
177: #include <banner.fs>
178:
179: : .banner .slof-logo .banner ;
180:
181: \ Get the secondary CPUs into our own spinloop.
182: f8000050 rl@ CONSTANT master-cpu
183: \ cr .( The master cpu is #) master-cpu .
184:
185: VARIABLE cpu-mask
186: : get-slave ( n -- online? )
187: 0 3ff8 ! 18 lshift 30000000 or 48003f02 over l! icbi 10000 0 DO LOOP 3ff8 @ ;
188: : mark-online ( n -- ) 1 swap lshift cpu-mask @ or cpu-mask ! ;
189: : get-slaves 40 0 DO i get-slave IF i mark-online THEN LOOP ;
190: : cpu-report ( -- )
191: cpu-mask @ 40 0 DO dup 1 and IF ." #" i . THEN 1 rshift LOOP drop
192: ;
193:
194: 220 cp
195: master-cpu mark-online get-slaves
196:
197: DEFER disable-watchdog ( -- )
198: DEFER find-boot-sector ( -- )
199:
200:
201: 240 cp
202: \ Timebase frequency, in Hz.
203: \ -1 VALUE tb-frequency
204: d# 14318378 VALUE tb-frequency \ default value - needed for "ms" to work
205: -1 VALUE cpu-frequency
206:
207: #include "helper.fs"
208: 260 cp
209:
210: #include <timebase.fs>
211:
212: 280 cp
213:
214: \ rtas-config is not used
215: 0 CONSTANT rtas-config
216:
217: #include "rtas.fs"
218: 290 cp
219: s" update_flash.fs" included
220: 2a0 cp
221: cpu-mask @ rtas-fetch-cpus drop
222:
223: : of-start-cpu rtas-start-cpu ;
224:
225: ' power-off to halt
226: ' rtas-system-reboot to reboot
227:
228: : other-firmware rtas-get-flashside 0= IF 1 ELSE 0 THEN rtas-set-flashside reboot ;
229: : disable-boot-watchdog rtas-stop-bootwatchdog drop ;
230: ' disable-boot-watchdog to disable-watchdog
231:
232: true value bmc?
233: false value debug-boot?
234:
235: \ for JS21/Bimini try to detect BMC... if kcs (io @ca8) status is not ff...
236: u4? IF ca8 4 + io-c@ ff = IF false to bmc? true to debug-boot? THEN THEN
237:
238: VARIABLE memnode
239:
240: \ Hook to help loading our secondary boot loader.
241: DEFER disk-read ( lba cnt addr -- )
242: 0 VALUE disk-off
243:
244: create vpd-cb 24 allot
245: create vpd-bootlist 4 allot
246: 2c0 cp
247: #include "ipmi-vpd.fs"
248: 2e0 cp
249: #include <quiesce.fs>
250: 300 cp
251: #include <usb/usb-static.fs>
252: 320 cp
253: #include <scsi-loader.fs>
254: #include <root.fs>
255: 360 cp
256: #include "tree.fs"
257:
258: : .system-information ( -- )
259: s" " type cr
260: s" SYSTEM INFORMATION" type cr
261: s" Processor = " type s" cpu" get-chosen IF
262: drop l@ >r pvr@ s" pvr>name" r> $call-method type
263: s" @ " type cpu-frequency d# 1000000 /
264: decimal . hex s" MHz" type
265: THEN cr s" I/O Bridge = " type u3? IF
266: s" U3" ELSE s" U4" THEN type
267: f8000000 rl@ 4 rshift s" (" type 1 0.r s" ." type
268: f8000000 rl@ f and 1 0.r s" )" type cr
269: s" SMP Size = " type cpu-mask @ cnt-bits 1 0.r
270: s" (" type cpu-report 8 emit s" )" type
271: cr s" Boot-Date = " type .date cr
272: s" Memory = " type s" memory" get-chosen IF
273: drop l@ s" mem-report" rot $call-method THEN
274: cr s" Board Type = " type u3? IF
275: s" JS20(GA" type planar-id 5 >= IF
276: s" 2)" ELSE s" 1)" THEN type
277: ELSE bimini? IF s" Bimini" ELSE s" JS21" THEN type THEN
278: s" (" type .vpd-machine-type [char] / emit
279: .vpd-machine-serial [char] / emit
280: .vpd-hw-revision 8 emit s" )" type cr
281: s" MFG Date = " type .vpd-manufacturer-date cr
282: s" Part No. = " type .vpd-part-number cr
283: s" FRU No. = " type .vpd-fru-number cr
284: s" FRU Serial = " type .vpd-cardprefix-serial .vpd-card-serial cr
285: s" UUID = " type .vpd-uuid cr
286: s" Flashside = " type rtas-get-flashside 0= IF
287: ." 0 (permanent)"
288: ELSE
289: ." 1 (temporary)" THEN cr
290: s" Version = " type
291: takeover? IF
292: romfs-base 38 + a type
293: ELSE
294: slof-build-id here swap rmove
295: here slof-build-id nip type cr
296: s" Build Date = " type bdate2human type
297: THEN
298: cr cr
299: ;
300:
301: 800 cp
302:
303: #include "nvram.fs"
304: takeover? not u4? and IF
305: \ if were are not in takeover mode the nvram should look
306: \ something like this:
307: \ type size name
308: \ ========================
309: \ 51 20000 ibm,CPU0log
310: \ 51 5000 ibm,CPU1log
311: \ 70 1000 common
312: \ 7f da000 <free-space>
313: \ the partition with the type 51 should have been added
314: \ by LLFW... if it does not exist then something went
315: \ wrong and we just destroy the whole thing
316: 51 get-nvram-partition IF 0 0 nvram-c! ELSE 2drop THEN
317: THEN
318:
319: 880 cp
320:
321: \ dmesg/dmesg2 not available if running in takeover/ram mode or on js20
322: : dmesg ( -- ) u3? takeover? or 0= IF dmesg THEN ;
323: : dmesg2 ( -- ) u3? takeover? or 0= IF dmesg2 THEN ;
324:
325: #include "envvar.fs"
326: check-for-nvramrc
327:
328: 8a0 cp
329: \ The client interface.
330: #include "client.fs"
331: \ ELF binary file format.
332: #include "elf.fs"
333: #include <loaders.fs>
334:
335: : bios-exec ( arg len -- rc )
336: s" snk" romfs-lookup 0<> IF load-elf-file drop start-elf64
337: ELSE 2drop false THEN
338: ;
339:
340: \ check wether a VGA device was found during pci scan, if it was
341: \ try to initialize it and create the needed device-nodes
342: 0 value biosemu-vmem
343: 100000 value biosemu-vmem-size
344: 0 value screen-info
345:
346: vga-device-node? 0<> use-biosemu? AND IF
347: s" VGA Device found: " type vga-device-node? node>path type s" initializing..." type cr
348: \ claim virtual memory for biosemu of 1MB
349: biosemu-vmem-size 4 claim to biosemu-vmem
350: \ claim memory for screen-info struct (140 bytes)
351: d# 140 4 claim to screen-info
352: \ remember current-node (it might be node 0 so we cannot use get-node)
353: current-node @
354: \ change into vga device node
355: vga-device-node? set-node
356: \ run biosemu to initialize the vga card
357: \ s" Time before biosemu:" type .date cr
358: vga-device-node? node>path ( pathstr len )
359: s" biosemu " biosemu-vmem $cathex ( pathstr len paramstr len )
360: 20 char-cat \ add a space ( pathstr len paramstr len )
361: biosemu-vmem-size $cathex \ add VMEM Size ( pathstr len paramstr len )
362: 20 char-cat \ add a space ( pathstr len paramstr len )
363: 2swap $cat ( paramstr+path len )
364: biosemu-debug 0<> IF
365: 20 char-cat biosemu-debug $cathex \ add biosemu-debug as param
366: ( paramstr+path+biosemu-debug len )
367: THEN
368: bios-exec
369: \ s" Time after biosemu:" type .date cr
370: s" VGA initialization: detecting displays..." type cr
371: \ try to get info for two monitors
372: 2 0 DO
373: \ setup screen-info struct as input to get_vbe_info
374: s" DDC" 0 char-cat screen-info swap move \ null-terminated "DDC" as signature
375: d# 140 screen-info 4 + w! \ reserved size in bytes (see claim above)
376: i screen-info 6 + c! \ monitor number
377: \ 320 screen-info 7 + w! \ max. screen width (800)
378: 500 screen-info 7 + w! \ max. screen width (1280)
379: \ following line would be the right thing to do, however environment seems not setup yet...
380: \ screen-#columns char-width * 500 min 280 max screen-info 7 + w! \ max. screen width, calculated from environment variable screen-#columns, but max. 1280, min. 640...
381: 8 screen-info 9 + c! \ requested color depth (8bpp)
382: \ d# 16 screen-info 9 + c! \ requested color depth (16bpp)
383: \ execute get_vbe_info from load-base
384: \ s" Time before client exec:" type .date cr
385: \ since node>path overwrites strings created with s"
386: \ we need to call it before assembling the parameter string
387: vga-device-node? node>path ( pathstr len )
388: s" get_vbe_info " biosemu-vmem $cathex ( pathstr len paramstr len )
389: 20 char-cat \ add a space ( pathstr len paramstr len )
390: biosemu-vmem-size $cathex \ add VMEM Size ( pathstr len paramstr len )
391: 20 char-cat \ add a space ( pathstr len paramstr len )
392: 2swap $cat ( paramstr+path len )
393: 20 char-cat
394: screen-info $cathex bios-exec
395: \ s" Time after client exec:" type .date cr
396: screen-info c@ 0<> IF
397: s" display " type i . s" found..." type
398: \ screen found
399: \ create device entry
400: get-node node>name \ get current nodes name (e.g. "vga") ( str len )
401: i \ put display-num on the stack ( str len displaynum )
402: new-device \ create new device
403: s" vga-display.fs" included
404: finish-device
405: s" created." type cr
406: THEN
407: LOOP
408: \ return to where we were before changing to vga device node
409: set-node
410: \ release the claimed memory
411: screen-info d# 140 release
412: biosemu-vmem biosemu-vmem-size release
413:
414: s" VGA initialization done." type cr
415: THEN \ vga-device-node?
416:
417: : enable-framebuffer-output ( -- )
418: \ enable output on framebuffer
419: s" screen" find-alias ?dup IF
420: \ we need to open/close the screen device once
421: \ before "ticking" display-emit to emit
422: open-dev close-node
423: s" display-emit" $find IF
424: to emit
425: ELSE
426: 2drop
427: THEN
428: THEN
429: ;
430:
431: enable-framebuffer-output
432:
433: 8b0 cp
434:
435: \ do not let the usb scan overwrite the atapi cdrom alias
436: pci-cdrom-num TO cdrom-alias-num
437: usb-scan
438:
439: : create-aliases ( -- )
440: s" net" s" net1" find-alias ?dup IF set-alias ELSE 2drop THEN
441: s" disk" s" disk0" find-alias ?dup IF set-alias ELSE 2drop THEN
442: s" cdrom" s" cdrom0" find-alias ?dup IF set-alias ELSE 2drop THEN
443: ;
444:
445: create-aliases
446:
447: 8ff cp
448:
449: .system-information
450:
451: : directserial
452: u3? IF
453: s" /ht/isa/serial@3f8" io
454: ELSE
455: s" direct-serial?" evaluate IF s" /ht/isa/serial@2f8" io ELSE s" /ht/isa/serial@3f8" io THEN
456: THEN
457: ;
458:
459: directserial
460:
461: \ on bimini we want to automatically enable screen and keyboard, if they are detected...
462: bimini? IF
463: key? IF
464: cr ." input available on current console input device, not switching input / output." cr
465: ELSE
466: \ this enables the framebuffer as primary output device
467: s" screen" find-alias IF drop
468: s" screen" output
469: \ at this point serial output is theoretically disabled
470: ." screen detected and set as default output device" cr
471: THEN
472: \ enable USB keyboard
473: s" keyboard" find-alias IF drop
474: s" keyboard" input
475: \ at this point serial input is disabled
476: ." keyboard detected and set as default input device" cr cr cr
477: s" Press 's' to enter Open Firmware." type cr
478: 500 ms
479: THEN
480: THEN
481: THEN
482:
483: : .flashside
484: cr ." The currently active flashside is: "
485: rtas-get-flashside 0= IF ." 0 (permanent)" ELSE
486: ." 1 (temporary)" THEN
487: ;
488:
489: bmc? IF disable-watchdog THEN
490:
491: : flashsave ( "{filename}" -- rc )
492: (parse-line) dup 0> IF
493: s" netsave " \ command
494: get-flash-base $cathex \ Flash base addr
495: s" 400000 " $cat \ Flash size (4MB)
496: 2swap $cat \ add parameters from (parse-line)
497: evaluate
498: ELSE
499: cr
500: ." Usage: flashsave [bootp|dhcp,]filename[,siaddr][,ciaddr][,giaddr][,bootp-retries][,tftp-retries][,use_ci]"
501: cr 2drop
502: THEN
503: ;
504:
505: #include <vpd-bootlist.fs>
506:
507: \ for the blades we read the bootlist from the VPD
508: bimini? takeover? or 0= IF ['] vpd-boot-import to read-bootlist THEN
509:
510: \ for the bimini, we try to boot from disk, if it exists,
511: \ only if "boot-device" is not set in the nvram
512: : bimini-bootlist
513: \ check nvram
514: s" boot-device" evaluate swap drop ( boot-device-strlen )
515: 0= IF
516: \ no boot-device set in NVRAM, check if disk is available and set it...
517: \ clear boot-device list
518: 0 0 set-boot-device
519: s" disk" find-alias ?dup IF
520: \ alias found, use it as default
521: add-boot-device
522: THEN
523: THEN
524: ;
525:
526: bimini? IF ['] bimini-bootlist to read-bootlist THEN
527:
528: #include <start-up.fs>
529:
530: #include <boot.fs>
531:
532: cr .( Welcome to Open Firmware)
533: cr
534: #include "copyright-oss.fs"
535: cr
536:
537: \ this CATCH is to ensure the code bellow always executes: boot may ABORT!
538: ' start-it CATCH drop
539:
540: #include <history.fs>
541: nvram-history? [IF]
542: ." loading shell history .. "
543: history-load
544: ." done" cr
545: [THEN]
546:
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.